Finding the Fourth Proportional to 9,845.71, 13,586.67 and 5,369.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,845.71 : 13,586.67 = 5,369.38 : x
2. Step 2: Convert to fraction form
   9,845.71/13,586.67 = 5,369.38/x
3. Step 3: Cross multiply
   9,845.71x = 13,586.67 × 5,369.38
4. Step 4: Simplify right side
   9,845.71x = 72,951,994.16
5. Step 5: Solve for x
   x = 72,951,994.16/9,845.71
6. Step 6: Final answer
   x = 7,409.52